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Annotation of embedaddon/libpdel/config/app_config_curconf.c, revision 1.1.1.1

1.1       misho       1: 
                      2: /*
                      3:  * Copyright (c) 2001-2002 Packet Design, LLC.
                      4:  * All rights reserved.
                      5:  * 
                      6:  * Subject to the following obligations and disclaimer of warranty,
                      7:  * use and redistribution of this software, in source or object code
                      8:  * forms, with or without modifications are expressly permitted by
                      9:  * Packet Design; provided, however, that:
                     10:  * 
                     11:  *    (i)  Any and all reproductions of the source or object code
                     12:  *         must include the copyright notice above and the following
                     13:  *         disclaimer of warranties; and
                     14:  *    (ii) No rights are granted, in any manner or form, to use
                     15:  *         Packet Design trademarks, including the mark "PACKET DESIGN"
                     16:  *         on advertising, endorsements, or otherwise except as such
                     17:  *         appears in the above copyright notice or in the software.
                     18:  * 
                     19:  * THIS SOFTWARE IS BEING PROVIDED BY PACKET DESIGN "AS IS", AND
                     20:  * TO THE MAXIMUM EXTENT PERMITTED BY LAW, PACKET DESIGN MAKES NO
                     21:  * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING
                     22:  * THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED
                     23:  * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
                     24:  * OR NON-INFRINGEMENT.  PACKET DESIGN DOES NOT WARRANT, GUARANTEE,
                     25:  * OR MAKE ANY REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS
                     26:  * OF THE USE OF THIS SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY,
                     27:  * RELIABILITY OR OTHERWISE.  IN NO EVENT SHALL PACKET DESIGN BE
                     28:  * LIABLE FOR ANY DAMAGES RESULTING FROM OR ARISING OUT OF ANY USE
                     29:  * OF THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, ANY DIRECT,
                     30:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, PUNITIVE, OR CONSEQUENTIAL
                     31:  * DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, LOSS OF
                     32:  * USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY THEORY OF
                     33:  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     34:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
                     35:  * THE USE OF THIS SOFTWARE, EVEN IF PACKET DESIGN IS ADVISED OF
                     36:  * THE POSSIBILITY OF SUCH DAMAGE.
                     37:  *
                     38:  * Author: Archie Cobbs <archie@freebsd.org>
                     39:  */
                     40: 
                     41: #include <sys/types.h>
                     42: 
                     43: #include <netinet/in.h>
                     44: 
                     45: #include <stdio.h>
                     46: #include <assert.h>
                     47: #include <syslog.h>
                     48: #include <unistd.h>
                     49: #include <stdarg.h>
                     50: 
                     51: #include "structs/structs.h"
                     52: #include "structs/type/array.h"
                     53: #include "util/typed_mem.h"
                     54: #include "config/app_config.h"
                     55: #include "sys/alog.h"
                     56: 
                     57: /************************************************************************
                     58:                        CURCONF SUBSYSTEM
                     59: ************************************************************************/
                     60: 
                     61: static app_ss_startup_t                app_curconf_start;
                     62: static app_ss_shutdown_t       app_curconf_shutdown;
                     63: static app_ss_changed_t                app_curconf_changed;
                     64: 
                     65: const struct app_subsystem     app_config_curconf_subsystem = {
                     66:        "curconf",
                     67:        NULL,
                     68:        app_curconf_start,
                     69:        app_curconf_shutdown,
                     70:        NULL,
                     71:        app_curconf_changed,
                     72:        NULL
                     73: };
                     74: 
                     75: static int
                     76: app_curconf_start(struct app_config_ctx *ctx,
                     77:        const struct app_subsystem *ss, const void *config)
                     78: {
                     79:        const void **const curconfp = ss->arg;
                     80: 
                     81:        /* Copy configuration and store it in 'curconf' */
                     82:        if ((*curconfp = app_config_copy(ctx, config)) == NULL) {
                     83:                alog(LOG_ERR, "%s: failed to copy config: %m", __FUNCTION__);
                     84:                return (-1);
                     85:        }
                     86:        return (0);
                     87: }
                     88: 
                     89: static void
                     90: app_curconf_shutdown(struct app_config_ctx *ctx,
                     91:        const struct app_subsystem *ss, const void *config)
                     92: {
                     93:        const void **const curconfp = ss->arg;
                     94: 
                     95:        /* Free and NULL-ify 'curconf' */
                     96:        app_config_free(ctx, (void **)curconfp);
                     97: }
                     98: 
                     99: static int
                    100: app_curconf_changed(struct app_config_ctx *ctx,
                    101:        const struct app_subsystem *ss, const void *config1,
                    102:        const void *config2)
                    103: {
                    104:        return (1);
                    105: }
                    106: